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Java Arraylist
Java Arraylist
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Most of you used your high level knowledge to make it work, but here it is for begineers like me who would like to solve it with an easy method:
import java.io.; import java.util.;
public class Solution {
}
`
Solution:
public class Solution {
}
Here is java Arraylist solution - https://programmingoneonone.com/hackerrank-java-arraylist-problem-solution.html
Scanner sc=new Scanner(System.in); int n=sc.nextInt(); ArrayList> list=new ArrayList>();
import java.util.*; public class temporary { public static void main(String[] args) { Scanner myobj = new Scanner(System.in); ArrayList> list = new ArrayList<>(); int n = myobj.nextInt(); myobj.nextLine(); for (int i = 0; i < n; i++) { String line = myobj.nextLine(); String[] parts_list = line.split(" "); ArrayList sublist = new ArrayList<>(); for (int j=1;j< parts_list.length;j++){ sublist.add(Integer.valueOf(parts_list[j])); } list.add(sublist); } int q = myobj.nextInt(); myobj.nextLine(); for(int i=0;i
}